Annika Louise Mogensen is the oldest child of Sørem and Nina Mogensen. She was born 3 June 1999. She has younger brother Esben from 2003. She lives in Humlebæk, Denmark. She is the girlfriend of Bertram Klein.
In 2002, when she was 3, she started nursery at Humlebæk Børnehave.
In 2005, when she was 6, she started 0th grade Humlebæk Skole.
In 2015, when she was 16, she started stx high school at Espergærde Gymnasium with level A in Danish, History, Maths and Social Studies.